XML 46 R7.htm IDEA: XBRL DOCUMENT v2.4.0.8
CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income $ 4,022 $ (4,758)
Adjustments to reconcile net income to net cash provided by operating activities:    
Amortization of deferred revenue (1,127) (678)
Depreciation 501 509
Amortization of intangibles 2,750 2,742
Amortization of premium and discount on investments, net (136) (116)
Stock-based employee compensation 1,899 1,174
Stock-based compensation to Board of Directors and Scientific Advisory Board 203 224
Deferred income tax benefit 1,773 0
Retirement plan benefit expense 419 417
(Increase) decrease in assets:    
Accounts receivable (8,851) (1,870)
Inventory (3,997) 1,936
Other current assets (4,887) (3,703)
Other assets 0 18
Increase (decrease) in liabilities:    
Accounts payable and accrued expenses (4,598) (6,837)
Other current liabilities 1,017 0
Deferred revenue 3,692 44
Net cash used in operating activities (7,320) (10,898)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (917) (549)
Additions to intangibles 0 (69)
Purchases of investments (127,244) (102,142)
Proceeds from sale of investments 102,823 81,364
Net cash used in investing activities (25,338) (21,396)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Proceeds from issuance of common stock 86 93
Repurchase of common stock 0 (5,456)
Proceeds from the exercise of common stock options and warrants 616 66
Payment of withholding taxes related to stock-based employee compensation (2,699) (2,796)
Net cash used in financing activities (1,997) (8,093)
DECREASE IN CASH AND CASH EQUIVALENTS (34,655) (40,387)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD 70,586 85,923
CASH AND CASH EQUIVALENTS, END OF PERIOD $ 35,931 $ 45,536